__________ (HHDD) is a technology where the conventional disk drive is combined with non-volatile flash memory, of typically 128 MB or more to cache data during normal use.
It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the car is:
The demand curve facing a perfectly competitive firm is a horizontal straight line equal to the equilibrium price of the entire market because a perfectly competitive firm can sell all units brought to market at the same price.